Course admin panel added

This commit is contained in:
5t4l1n
2025-07-26 11:32:08 +05:30
parent 4d8061616d
commit c734ae1b36
10 changed files with 1795 additions and 145 deletions
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'use client'
import React, { useState, useEffect } from 'react'
import { useRouter } from 'next/navigation'
import { Plus, Edit, Trash2, Eye, RefreshCw } from 'lucide-react'
interface Course {
id: string
title: string
subject: string
description: string
difficulty: string
mentor: string
video_url: string
students: number
status: 'published' | 'draft'
created_at: string
}
export default function AdminDashboard() {
const [isClient, setIsClient] = useState(false)
const [isAuthenticated, setIsAuthenticated] = useState(false)
const [authChecked, setAuthChecked] = useState(false)
const [courses, setCourses] = useState<Course[]>([])
const [loading, setLoading] = useState(true)
const [showAddForm, setShowAddForm] = useState(false)
const [editingCourse, setEditingCourse] = useState<Course | null>(null)
const [stats, setStats] = useState({
total_courses: 0,
total_lessons: 0,
active_students: 0,
completion_rate: 0
})
const router = useRouter()
// Enhanced authentication with API verification to prevent redirect loops
useEffect(() => {
setIsClient(true)
const checkAuth = async () => {
try {
// Add delay to prevent race conditions
await new Promise(resolve => setTimeout(resolve, 500))
const token = localStorage.getItem('admin_token')
console.log('Dashboard - checking token:', token)
if (!token) {
console.log('Dashboard - no token found')
router.push('/admin/login')
return
}
if (token === 'admin-secret-key') {
console.log('Dashboard - token format valid, verifying with API...')
try {
const response = await fetch('http://127.0.0.1:5000/api/admin/courses', {
headers: { 'Authorization': `Bearer ${token}` }
})
if (response.ok) {
console.log('✅ Dashboard - API confirms token valid')
setIsAuthenticated(true)
fetchData()
} else {
console.log('❌ Dashboard - API rejects token')
localStorage.removeItem('admin_token')
router.push('/admin/login')
}
} catch (apiError) {
console.error('Dashboard - API check failed:', apiError)
// Don't redirect on API error, might be temporary network issue
setIsAuthenticated(true)
fetchData()
}
} else {
console.log('Dashboard - invalid token format')
localStorage.removeItem('admin_token')
router.push('/admin/login')
}
} catch (error) {
console.error('Dashboard - auth check error:', error)
router.push('/admin/login')
} finally {
setAuthChecked(true)
}
}
checkAuth()
}, [router])
const fetchData = async () => {
await Promise.all([fetchCourses(), fetchStats()])
}
const fetchCourses = async () => {
try {
console.log('Fetching courses...')
const response = await fetch('http://127.0.0.1:5000/api/admin/courses', {
headers: {
'Authorization': 'Bearer admin-secret-key',
'Content-Type': 'application/json'
}
})
console.log('Response status:', response.status)
if (!response.ok) {
throw new Error(`HTTP error! status: ${response.status}`)
}
const data = await response.json()
console.log('Received data:', data)
if (Array.isArray(data)) {
setCourses(data)
console.log('✅ Courses set successfully:', data.length, 'courses')
} else {
console.error('❌ API returned non-array data:', data)
setCourses([])
}
} catch (error) {
console.error('❌ Error fetching courses:', error)
setCourses([])
} finally {
setLoading(false)
}
}
const fetchStats = async () => {
try {
const response = await fetch('http://127.0.0.1:5000/api/admin/dashboard', {
headers: { 'Authorization': 'Bearer admin-secret-key' }
})
const data = await response.json()
setStats(data)
} catch (error) {
console.error('Error fetching stats:', error)
}
}
const handleCreateCourse = async (formData: any) => {
try {
const response = await fetch('http://127.0.0.1:5000/api/admin/courses', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
'Authorization': 'Bearer admin-secret-key'
},
body: JSON.stringify(formData)
})
if (response.ok) {
await fetchData()
setShowAddForm(false)
alert('Course created successfully!')
} else {
const error = await response.json()
alert(`Error: ${error.error}`)
}
} catch (error) {
console.error('Error creating course:', error)
alert('Failed to create course')
}
}
const handleUpdateCourse = async (courseId: string, formData: any) => {
try {
const response = await fetch(`http://127.0.0.1:5000/api/admin/courses/${courseId}`, {
method: 'PUT',
headers: {
'Content-Type': 'application/json',
'Authorization': 'Bearer admin-secret-key'
},
body: JSON.stringify(formData)
})
if (response.ok) {
await fetchData()
setEditingCourse(null)
alert('Course updated successfully!')
} else {
const error = await response.json()
alert(`Error: ${error.error}`)
}
} catch (error) {
console.error('Error updating course:', error)
alert('Failed to update course')
}
}
const handleDeleteCourse = async (courseId: string) => {
if (confirm('Are you sure you want to delete this course? This action cannot be undone.')) {
try {
const response = await fetch(`http://127.0.0.1:5000/api/admin/courses/${courseId}`, {
method: 'DELETE',
headers: { 'Authorization': 'Bearer admin-secret-key' }
})
if (response.ok) {
await fetchData()
alert('Course deleted successfully!')
} else {
const error = await response.json()
alert(`Error: ${error.error}`)
}
} catch (error) {
console.error('Error deleting course:', error)
alert('Failed to delete course')
}
}
}
const initializeDefaultCourses = async () => {
try {
const response = await fetch('http://127.0.0.1:5000/api/admin/initialize', {
method: 'POST',
headers: { 'Authorization': 'Bearer admin-secret-key' }
})
if (response.ok) {
await fetchData()
alert('Default courses initialized!')
}
} catch (error) {
console.error('Error initializing courses:', error)
}
}
const handleLogout = () => {
localStorage.removeItem('admin_token')
router.push('/')
}
// Show loading until auth is checked
if (!isClient || !authChecked) {
return (
<div className="min-h-screen flex items-center justify-center">
<div className="text-center">
<div className="animate-spin rounded-full h-8 w-8 border-b-2 border-blue-600 mx-auto"></div>
<p className="mt-2 text-gray-600">Checking authentication...</p>
</div>
</div>
)
}
// Show redirect message if not authenticated
if (!isAuthenticated) {
return (
<div className="min-h-screen flex items-center justify-center">
<div className="text-center">
<div className="animate-spin rounded-full h-8 w-8 border-b-2 border-blue-600 mx-auto"></div>
<p className="mt-2 text-gray-600">Redirecting to login...</p>
</div>
</div>
)
}
return (
<div className="min-h-screen bg-gray-50">
{/* Header */}
<div className="bg-white shadow border-b">
<div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
<div className="flex justify-between items-center h-16">
<div className="flex items-center space-x-4">
<div className="w-8 h-8 bg-blue-600 rounded-lg flex items-center justify-center">
<span className="text-white font-bold text-sm">OL</span>
</div>
<h1 className="text-xl font-bold text-gray-900">OpenLearnX Admin Panel</h1>
<span className="bg-green-100 text-green-800 px-2 py-1 rounded-full text-xs font-medium">
DYNAMIC
</span>
</div>
<div className="flex items-center space-x-4">
<button
onClick={fetchData}
className="p-2 text-gray-600 hover:text-gray-900 hover:bg-gray-100 rounded-md"
title="Refresh Data"
>
<RefreshCw className="h-4 w-4" />
</button>
<span className="text-gray-600">Welcome, 5t4l1n! 👋</span>
<button
onClick={handleLogout}
className="bg-red-600 hover:bg-red-700 text-white px-4 py-2 rounded text-sm"
>
Logout
</button>
</div>
</div>
</div>
</div>
<div className="max-w-7xl mx-auto py-6 sm:px-6 lg:px-8">
<div className="px-4 py-6 sm:px-0">
{/* Action Buttons */}
<div className="flex justify-between items-center mb-6">
<div>
<h2 className="text-2xl font-bold text-gray-900">Course Management</h2>
<p className="text-gray-600">Add, edit, or remove courses dynamically</p>
</div>
<div className="flex space-x-3">
<button
onClick={initializeDefaultCourses}
className="bg-yellow-600 hover:bg-yellow-700 text-white px-4 py-2 rounded-lg flex items-center space-x-2"
>
<span>Initialize Default Courses</span>
</button>
<button
onClick={() => setShowAddForm(true)}
className="bg-blue-600 hover:bg-blue-700 text-white px-4 py-2 rounded-lg flex items-center space-x-2"
>
<Plus className="h-4 w-4" />
<span>Add New Course</span>
</button>
</div>
</div>
{/* Stats Cards */}
<div className="grid grid-cols-1 md:grid-cols-4 gap-6 mb-8">
<div className="bg-white p-6 rounded-lg shadow">
<h3 className="text-sm font-medium text-gray-500">Total Courses</h3>
<p className="text-2xl font-bold text-blue-600">{stats.total_courses}</p>
</div>
<div className="bg-white p-6 rounded-lg shadow">
<h3 className="text-sm font-medium text-gray-500">Active Students</h3>
<p className="text-2xl font-bold text-green-600">{stats.active_students}</p>
</div>
<div className="bg-white p-6 rounded-lg shadow">
<h3 className="text-sm font-medium text-gray-500">Total Lessons</h3>
<p className="text-2xl font-bold text-purple-600">{stats.total_lessons}</p>
</div>
<div className="bg-white p-6 rounded-lg shadow">
<h3 className="text-sm font-medium text-gray-500">Completion Rate</h3>
<p className="text-2xl font-bold text-orange-600">{stats.completion_rate}%</p>
</div>
</div>
{/* Course Table */}
<div className="bg-white rounded-lg shadow overflow-hidden">
<div className="px-6 py-4 border-b border-gray-200">
<h3 className="text-lg font-semibold text-gray-900">All Courses</h3>
</div>
{loading ? (
<div className="p-8 text-center">
<div className="animate-spin rounded-full h-8 w-8 border-b-2 border-blue-600 mx-auto"></div>
<p className="mt-2 text-gray-600">Loading courses...</p>
</div>
) : !Array.isArray(courses) || courses.length === 0 ? (
<div className="p-8 text-center">
<p className="text-gray-500 mb-4">No courses found. Initialize default courses or add a new one.</p>
<button
onClick={initializeDefaultCourses}
className="bg-blue-600 hover:bg-blue-700 text-white px-4 py-2 rounded"
>
Initialize Default Courses
</button>
</div>
) : (
<div className="overflow-x-auto">
<table className="min-w-full divide-y divide-gray-200">
<thead className="bg-gray-50">
<tr>
<th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
Course
</th>
<th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
Mentor
</th>
<th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
Students
</th>
<th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
Actions
</th>
</tr>
</thead>
<tbody className="bg-white divide-y divide-gray-200">
{courses.map((course) => (
<tr key={course.id} className="hover:bg-gray-50">
<td className="px-6 py-4 whitespace-nowrap">
<div>
<div className="text-sm font-medium text-gray-900">
{course.title}
</div>
<div className="text-sm text-gray-500">
{course.subject} {course.difficulty}
</div>
</div>
</td>
<td className="px-6 py-4 whitespace-nowrap text-sm text-gray-900">
{course.mentor}
</td>
<td className="px-6 py-4 whitespace-nowrap text-sm text-gray-900">
{course.students?.toLocaleString() || 0}
</td>
<td className="px-6 py-4 whitespace-nowrap text-sm font-medium">
<div className="flex space-x-2">
<button
onClick={() => window.open(`/courses/${course.id}`, '_blank')}
className="text-blue-600 hover:text-blue-900"
title="View Course"
>
<Eye className="h-4 w-4" />
</button>
<button
onClick={() => setEditingCourse(course)}
className="text-green-600 hover:text-green-900"
title="Edit Course"
>
<Edit className="h-4 w-4" />
</button>
<button
onClick={() => handleDeleteCourse(course.id)}
className="text-red-600 hover:text-red-900"
title="Delete Course"
>
<Trash2 className="h-4 w-4" />
</button>
</div>
</td>
</tr>
))}
</tbody>
</table>
</div>
)}
</div>
</div>
</div>
{/* Add Course Modal */}
{showAddForm && (
<CourseFormModal
title="Add New Course"
onClose={() => setShowAddForm(false)}
onSubmit={handleCreateCourse}
/>
)}
{/* Edit Course Modal */}
{editingCourse && (
<CourseFormModal
title="Edit Course"
course={editingCourse}
onClose={() => setEditingCourse(null)}
onSubmit={(data) => handleUpdateCourse(editingCourse.id, data)}
/>
)}
</div>
)
}
// Course Form Modal Component
function CourseFormModal({
title,
course,
onClose,
onSubmit
}: {
title: string
course?: Course
onClose: () => void
onSubmit: (data: any) => void
}) {
const [formData, setFormData] = useState({
title: course?.title || '',
subject: course?.subject || 'Programming',
description: course?.description || '',
difficulty: course?.difficulty || 'Beginner',
mentor: course?.mentor || '5t4l1n',
video_url: course?.video_url || ''
})
const handleSubmit = (e: React.FormEvent) => {
e.preventDefault()
onSubmit(formData)
}
const getEmbedUrl = (videoUrl: string) => {
if (!videoUrl) return null
let videoId = ''
if (videoUrl.includes('youtu.be/')) {
videoId = videoUrl.split('youtu.be/')[1]?.split('?')[0]
} else if (videoUrl.includes('youtube.com/watch?v=')) {
videoId = videoUrl.split('v=')[1]?.split('&')[0]
} else if (videoUrl.includes('youtube.com/embed/')) {
return videoUrl
}
return videoId ? `https://www.youtube.com/embed/${videoId}?rel=0&modestbranding=1` : null
}
return (
<React.Fragment>
<div className="fixed inset-0 bg-gray-600 bg-opacity-50 flex items-center justify-center z-50">
<div className="bg-white rounded-lg shadow-xl w-full max-w-2xl m-4 max-h-screen overflow-y-auto">
<div className="px-6 py-4 border-b border-gray-200">
<h3 className="text-lg font-semibold text-gray-900">{title}</h3>
</div>
<form onSubmit={handleSubmit} className="p-6 space-y-4">
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
Course Title *
</label>
<input
type="text"
required
value={formData.title}
onChange={(e) => setFormData({...formData, title: e.target.value})}
className="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
placeholder="e.g., Advanced React Development"
/>
</div>
<div className="grid grid-cols-2 gap-4">
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
Subject *
</label>
<select
value={formData.subject}
onChange={(e) => setFormData({...formData, subject: e.target.value})}
className="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
>
<option value="Programming">Programming</option>
<option value="Cybersecurity">Cybersecurity</option>
<option value="Web Development">Web Development</option>
<option value="Data Science">Data Science</option>
<option value="Mobile Development">Mobile Development</option>
<option value="DevOps">DevOps</option>
</select>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
Difficulty *
</label>
<select
value={formData.difficulty}
onChange={(e) => setFormData({...formData, difficulty: e.target.value})}
className="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
>
<option value="Beginner">Beginner</option>
<option value="Intermediate">Intermediate</option>
<option value="Advanced">Advanced</option>
<option value="Expert">Expert</option>
<option value="Beginner to Advanced">Beginner to Advanced</option>
</select>
</div>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
Mentor *
</label>
<input
type="text"
required
value={formData.mentor}
onChange={(e) => setFormData({...formData, mentor: e.target.value})}
className="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
placeholder="Instructor name"
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
Description *
</label>
<textarea
required
rows={3}
value={formData.description}
onChange={(e) => setFormData({...formData, description: e.target.value})}
className="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
placeholder="Course description..."
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
YouTube Video URL
</label>
<input
type="url"
value={formData.video_url}
onChange={(e) => setFormData({...formData, video_url: e.target.value})}
className="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
placeholder="https://youtu.be/..."
/>
</div>
{/* Video Preview */}
{formData.video_url && (
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
Video Preview
</label>
<div className="aspect-video rounded-lg overflow-hidden bg-gray-100">
<iframe
src={getEmbedUrl(formData.video_url) || ''}
title="Video Preview"
className="w-full h-full"
allowFullScreen
allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture"
/>
</div>
</div>
)}
<div className="flex justify-end space-x-3 pt-4 border-t">
<button
type="button"
onClick={onClose}
className="px-4 py-2 text-gray-700 border border-gray-300 rounded-md hover:bg-gray-50"
>
Cancel
</button>
<button
type="submit"
className="px-4 py-2 bg-blue-600 text-white rounded-md hover:bg-blue-700"
>
{course ? 'Update Course' : 'Create Course'}
</button>
</div>
</form>
</div>
</div>
</React.Fragment>
)
}